Study reveals how power-law decaying interactions affect quantum correlations and magic in many-body systems. Cumulative non-stabilizerness grows with faster interaction decay, providing insights into quantum simulability and computing resources.

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Researchers at University of Novi Sad develop analytical method to quantify 'quantum magic' in spin systems, enabling efficient analysis of non-stabilizerness—a key resource for quantum computation beyond classical limits.

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We derive closed-form expressions for quantum 'magic' in spin systems using real-space renormalization, revealing how this resource peaks at quantum phase transitions and enables accurate critical exponent extraction.

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Develops analytical framework proving computational-basis optimality of nonlocal stabilizer entropy for specific state families; provides universal bounds constraining magic resources in many-body quantum systems.

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Study of stabilizer Rényi entropy in the Dyck-Fredkin spin chain reveals unusual sub-extensive scaling: logarithmic (t=1), linear (t<1), constant (t>1). Non-stabilizerness may uniquely probe quantum many-body systems compared to entanglement entropy.

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